MAP Mathematics 4

Question 1

What is the slope of the line through (2, 3) and (6, 11)?

Accepted Answer

2

Answer

Slope = (11 − 3) ÷ (6 − 2) = 8 ÷ 4 = 2.

Question 2

A right triangle has legs of 6 and 8. What is the length of the hypotenuse?

Accepted Answer

10

Answer

6² + 8² = 36 + 64 = 100, and √100 = 10.

Question 3

Which expression is equivalent to 2³ · 2⁴?

Accepted Answer

2⁷

Answer

When you multiply powers with the same base, you add the exponents: 3 + 4 = 7.

Question 4

Which set of ordered pairs represents a function?

Accepted Answer

{(2,3), (4,5), (6,7)}

Answer

Each input in {(2,3), (4,5), (6,7)} has exactly one output.

Question 5

What is 0.00052 written in scientific notation?

Accepted Answer

5.2 × 10⁻⁴

Answer

Moving the decimal 4 places right gives 5.2, so the exponent is −4.

MAP - Missouri Assessment Program Practice Test